pointers in the last year and a half. chief pilot steve robertson was attacked himself, suffering two burned corneas. >> you take the vision from a pilot, that aircraft's ability to land is greatly compromised. >> reporter: on the lookout for a light that blinds, rather than illuminates. jim avila, abc news, washington. >>> and now, we want to tell you about a great american athlete who took another tough tumble today. lindsey vonn, the comeback kid who won the big downhill race in the 2010 olympics, even though she has crashed and had to bounce back so often in her career. well, guess what? tonight, she has to do it again. this is her today, head over skis, crashing down a mountain in austria. watch it again, as we slow it down. she crumples, right there, after the landing, on her right knee and tears two ligaments. she'll need surgery. she was air-lifted away. >>> and one more headline out of the sports world tonight. the super bowl. new documents released today showed that even before the big game, superdome officials were so worried about a power outage, they replaced hundreds of
